server/ServerChannel.cpp

   1 /*
   2  * Copyright (c) 2012, 2013 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 /* standard library header */
  18
  19 /* SLP library header */
  20
  21 /* local header */
  22 #include "Debug.h"
  23 #include "ServerChannel.h"
  24 #include "APDUHelper.h"
  25
  26 namespace smartcard_service_api
  27 {
  28         ServerChannel::ServerChannel(ServerSession *session, void *caller,
  29                 int channelNum, Terminal *terminal) :
  30                 Channel(session), terminal(terminal), caller(caller),
  31                 privilege(true)
  32         {
  33                 this->channelNum = channelNum;
  34         }
  35
  36         ServerChannel::~ServerChannel()
  37         {
  38                 if (isClosed() == false)
  39                 {
  40                         closeSync();
  41                 }
  42         }
  43
  44         void ServerChannel::closeSync()
  45                 throw(ErrorIO &, ErrorIllegalState &)
  46         {
  47                 ByteArray command, result;
  48                 APDUHelper apdu;
  49                 int rv;
  50
  51                 if (isClosed() == false && isBasicChannel() == false)
  52                 {
  53                         /* close channel */
  54                         command = apdu.generateAPDU(APDUHelper::COMMAND_CLOSE_LOGICAL_CHANNEL, channelNum, ByteArray::EMPTY);
  55                         rv = terminal->transmitSync(command, result);
  56
  57                         if (rv == 0 && result.size() >= 2)
  58                         {
  59                                 ResponseHelper resp(result);
  60
  61                                 if (resp.getStatus() >= 0)
  62                                 {
  63                                         _DBG("close success");
  64                                 }
  65                                 else
  66                                 {
  67                                         _ERR("status word [ %02X %02X ]", resp.getSW1(), resp.getSW2());
  68                                 }
  69                         }
  70                         else
  71                         {
  72                                 _ERR("select apdu is failed, rv [%d], length [%d]", rv, result.size());
  73                         }
  74
  75                         channelNum = -1;
  76                 }
  77         }
  78
  79         int ServerChannel::transmitSync(const ByteArray &command, ByteArray &result)
  80                 throw(ErrorIO &, ErrorIllegalState &, ErrorIllegalParameter &, ErrorSecurity &)
  81         {
  82                 int ret = -1;
  83                 APDUCommand helper;
  84                 ByteArray cmd;
  85
  86                 if (isClosed() == true)
  87                 {
  88                         return ret;
  89                 }
  90
  91                 helper.setCommand(command);
  92
  93                 /* filter command */
  94                 if (privilege == false)
  95                 {
  96                         if ((helper.getINS() == APDUCommand::INS_SELECT_FILE &&
  97                                 helper.getP1() == APDUCommand::P1_SELECT_BY_DF_NAME) ||
  98                                 (helper.getINS() == APDUCommand::INS_MANAGE_CHANNEL))
  99                         {
 100                                 return SCARD_ERROR_SECURITY_NOT_ALLOWED;
 101                         }
 102                 }
 103
 104                 /* TODO : insert channel ID using atr information */
 105                 helper.setChannel(APDUCommand::CLA_CHANNEL_STANDARD, channelNum);
 106                 helper.getBuffer(cmd);
 107
 108                 _DBG("command [%d] : %s", cmd.size(), cmd.toString().c_str());
 109
 110                 ret = terminal->transmitSync(cmd, result);
 111
 112                 return ret;
 113         }
 114
 115 } /* namespace smartcard_service_api */